# Tagged Questions

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127 views

### How do I find the area between two polar curves?

More specifically above r=6 and below r=4+4cos(θ) graph of the two curves PolarPlot[{6, 4 + 4 Cos[t]}, {t, 0, 2 Pi}]
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### To Polar Plot one and two variables smoothly

Code for two variable case h[a_, b_] = PolarPlot[(1/2 (1 - Cos[2 a] + 2 Sin[a - b]))^2, {a, 0, Pi}, {b, 0, 1}] but possibly better ...
77 views

### spherical histogram for 3D object

I want to develop a shperical histogram for 3D object. Given a 3D object, I put it in a cylinder where its axis pass through the centroid of the object. The cylinder is sampled into a number N of ...
150 views

### 3D Sphere Plot + Points [closed]

I'm currently trying to create a 3D plot of a sphere along with four points of different colour, using the following code: ...
159 views

### Different between two graph in the Polar Plane

How can I plot $\theta=\cos r$ in polar plane? Of course I know that is different with $r=\cos \theta.$
203 views

### How do you create such an animated GIF via Mathematica?

Is it possible to create such kind of GIF via Mathematica?
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### 3D sphere plot, along with singular points [closed]

I have very little experience with mathematica, what I am trying to do is plot 4 points on 3D axes, say a,b,c,d and then also plot a sphere radius r centred on a. Any help would be much ...
220 views

### Combine Stereographic “Entity” Plot of Arctic Sea with Contour Plot

In the announcement of Mathematica 10 there were some very cool features for every geo-related researcher. Like this one what i'm trying to do is to overlay an ContourPlot onto this beautiful arctic ...
136 views

### What is wrong with this code?

I am plotting polar curves with PolarPlot and I tried plotting a parabola with $\frac{2}{1-\cos x}$ and $\sec x$. Obviously there are two singularities that have ...
124 views

### PolarPlot with Dashed and PlotRange freezes for simple function

When I plot PolarPlot[1/(1+Cos[6-t]), {t,0,2\[Pi]}, PlotRange->{{-4,4},{-4,4}}, PlotStyle->Dashed] everything works normally, but when I change the ...
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817 views

### How to wrap a plot around a circle?

Consider the code a = Table[BesselJ[i, x], {i, 0, 3}] Plot[a, {x, 0, 20}, Axes -> False] producing I'd like to transform the plot into a circle. In other ...
185 views

### Order contour points in clockwise

I want to describe shape of an object using contour points descriptor. Given a silhouette (image black white of an object), I extrait the contour points using EdgeDetect[] fonction. After that, I need ...
310 views

### Need help with plotting triple data points while xy data are not regular?

recently I plotted some figure in matlab whose quality is not so satisfactory, so I come to mathematica as my supervisor suggested. This is how it looks like in matlab:. In matlab I have three m by n ...